{"id":"GHSA-cvp8-5r8g-fhvq","aliases":[],"status":"published","title":"omniauth-saml vulnerable to Improper Verification of Cryptographic Signature","description":"ruby-saml, the dependent SAML gem of omniauth-saml has a signature wrapping vulnerability in \u003c= v1.12.0 and v1.13.0 to v1.16.0 , see https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-jw9c-mfg7-9rx2 \nAs a result, omniauth-saml created a [new release](https://github.com/omniauth/omniauth-saml/releases) by upgrading ruby-saml to the patched versions v1.17.","severity":{"version":"4.0","score":9.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N","level":"critical","from":"ghsa"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-347"],"published":"2024-09-11T21:08:26Z","modified":"2026-08-07T08:11:59Z","fixes":[{"ecosystem":"RubyGems","package":"omniauth-saml","fixed_in":["2.1.2","1.10.5","2.2.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"omniauth-saml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.1.2"}]}]},{"source":"ghsa","ecosystem":"RubyGems","package":"omniauth-saml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.5"}]}]},{"source":"ghsa","ecosystem":"RubyGems","package":"omniauth-saml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.1"}]}]},{"source":"osv","ecosystem":"RubyGems","package":"omniauth-saml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.1.2"}]}],"versions":["2.0.0","2.1.0","2.1.1"]},{"source":"osv","ecosystem":"RubyGems","package":"omniauth-saml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.5"}]}],"versions":["0.9.0","0.9.1","0.9.2","1.0.0","1.1.0","1.10.0","1.10.1","1.10.2","1.10.3","1.10.4","1.2.0","1.3.0","1.3.1","1.4.0","1.4.1","1.4.2","1.5.0","1.6.0","1.7.0","1.8.0","1.8.1","1.9.0"]},{"source":"osv","ecosystem":"RubyGems","package":"omniauth-saml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.1"}]}],"versions":["2.2.0"]}],"references":[{"url":"https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-jw9c-mfg7-9rx2","tags":["web"]},{"url":"https://github.com/omniauth/omniauth-saml/security/advisories/GHSA-cvp8-5r8g-fhvq","tags":["web"]},{"url":"https://github.com/omniauth/omniauth-saml/commit/4274e9d57e65f2dcaae4aa3b2accf831494f2ddd","tags":["web"]},{"url":"https://github.com/omniauth/omniauth-saml/commit/6c681fd082ab3daf271821897a40ab3417382e29","tags":["web"]},{"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/omniauth-saml/GHSA-cvp8-5r8g-fhvq.yml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-cvp8-5r8g-fhvq"},{"url":"https://github.com/omniauth/omniauth-saml","tags":["package"]}],"sources":{"ghsa":[{"id":"GHSA-cvp8-5r8g-fhvq","title":"omniauth-saml vulnerable to Improper Verification of Cryptographic Signature","description":"ruby-saml, the dependent SAML gem of omniauth-saml has a signature wrapping vulnerability in \u003c= v1.12.0 and v1.13.0 to v1.16.0 , see https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-jw9c-mfg7-9rx2 \nAs a result, omniauth-saml created a [new release](https://github.com/omniauth/omniauth-saml/releases) by upgrading ruby-saml to the patched versions v1.17. \n","status":"published","published":"2024-09-11T21:08:26Z","modified":"2024-09-19T18:25:43Z","cvss":[{"version":"4.0","score":9.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N","level":"critical"},{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:38:04.690827Z"}],"osv":[{"id":"GHSA-cvp8-5r8g-fhvq","title":"omniauth-saml vulnerable to Improper Verification of Cryptographic Signature","description":"ruby-saml, the dependent SAML gem of omniauth-saml has a signature wrapping vulnerability in \u003c= v1.12.0 and v1.13.0 to v1.16.0 , see https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-jw9c-mfg7-9rx2 \nAs a result, omniauth-saml created a [new release](https://github.com/omniauth/omniauth-saml/releases) by upgrading ruby-saml to the patched versions v1.17. \n","status":"published","published":"2024-09-11T21:08:26Z","modified":"2026-08-07T08:11:59.192768697Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N","level":"critical"},{"version":"4.0","score":9.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N","level":"critical"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:46:45.639885Z"}]}}